US4166517AExpiredUtility

Pilot's power elevator

61
Individually held — no corporate assignee on recordPriority: Jan 5, 1978Filed: Jan 5, 1978Granted: Sep 4, 1979
Est. expiryJan 5, 1998(expired)· nominal 20-yr term from priority
Inventors:Chuck A. Henderson
B66B 9/00B63B 27/146
61
PatentIndex Score
19
Cited by
5
References
5
Claims

Abstract

An elevator apparatus mounted on a side of a ship, for allowing a pilot to board or disembark from the ship; the apparatus including a vertical track, extending from the water up to the bridge, an elevator, supported by a cable from a davit upon the bridge, being movable vertically along the track, the elevator having a door on its outer side, for access from a pilot's boat, and a door on an opposite side, for entering the ship bridge, controls and lights upon the bridge and in the elevator, and a flotation tank under the elevator, for supporting the same upon the water surface.

Claims

exact text as granted — not AI-modified
What I now claim is: 
     
       1. A pilot's power elevator, comprising in combination: a vertical track mounted on an outside of a tall ship, said track comprising a pair of rails extending from below a water level up to a bridge, an elevator cab guided by, directly mounted on and vertically movable along said rails, winch means mounted on said bridge, a cable operatively connected to said winch means and said cab to raise and lower said cab along said rails, and flotation means secured adjacent the underside of said cab. 
     
     
       2. The combination as set forth in claim 1 wherein said winch is electrically operated and mounted on a davit, and said flotation means is secured to the underside of said elevator cab and comprises a flotation tank hingedly secured thereto. 
     
     
       3. The combination as set forth in claim 2, wherein a light indicator system of said elevator includes a light on said bridge, and a light in said elevator, connected to a power source, and a switch on an underside of said tank, which is operated automatically by water pressure. 
     
     
       4. The combination as set forth in claim 3, wherein said elevator includes a control system, including a control on said bridge, and a control in said elevator. 
     
     
       5. The combination as set forth in claim 1 wherein said cab is defined by panel members hinged at adjacent edges so as to be completely collapsible.

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